diff --git a/inventory/inventory b/inventory/inventory
index deeb21ea7d..12e69a9b8d 100644
--- a/inventory/inventory
+++ b/inventory/inventory
@@ -220,7 +220,7 @@ secondary-bridge01.phx2.fedoraproject.org
 # sign vault servers don't listen to ssh by default.
 #
 [sign-vault]
-#sign-vault03.phx2.fedoraproject.org
+sign-vault03.phx2.fedoraproject.org
 #sign-vault04.phx2.fedoraproject.org
 #secondary-vault01.phx2.fedoraproject.org
 #sign-vault01.stg.phx2.fedoraproject.org